Lung cancer, referring to primary bronchial lung cancer, is also known as lung cancer in Chinese medicine. For lung cancer patients, Chinese medicine mainly plays an auxiliary therapeutic role and must be used in conjunction with western medicine on the basis of surgery, radiotherapy, chemotherapy or targeted and immune treatments. Lung cancer, i.e. primary bronchopulmonary cancer, is the most common malignant tumor originating from bronchial mucosa or glands. It can also be called lung cancer in Chinese medicine. According to Chinese medicine, the cause of lung cancer is the interaction between the invasion of evil poison and the deficiency of positive qi, which leads to the accumulation of phlegm, stasis and poison in the lungs. Clinical manifestations often include cough, hemoptysis or blood in sputum, dyspnea, fever and emaciation. According to the different conditions and types of lung cancer, Chinese medicine treatments mainly include dispelling dampness and phlegm, activating blood circulation and dispersing knots, clearing heat and removing toxins (removing heat and toxins from the body), or benefiting qi and nourishing yin (replenishing qi and yin fluid), etc. Chinese medicine mainly plays an auxiliary role in treating lung cancer. Chinese medicine mainly plays an auxiliary therapeutic role in lung cancer, and it has certain efficacy in relieving patients’ uncomfortable symptoms and alleviating the toxic side effects of radiotherapy, chemotherapy and targeted drug therapy. Surgery, radiotherapy, chemotherapy, targeted therapy and immunotherapy are the main treatments for lung cancer, and Chinese medicine is an auxiliary treatment. And Chinese medicine must be guided by professional Chinese medicine practitioners and used in accordance with doctor’s prescription in order to avoid the appearance of adverse reactions. Lung cancer patients should go to hospitals for consultation in time and choose regular treatment methods such as surgery, radiotherapy, chemotherapy, targeted therapy or immunotherapy according to their conditions, so as to avoid delaying their conditions.